/Engine/Source/Runtime/Engine/Classes/Animation/AnimInstance.h
Builds an inertialization request from the montage's group, provided duration and optional blend profile
void RequestMontageInertialization ( const [UAnimMontage](API\Runtime\Engine\Animation\UAnimMontage) * Montage, float Duration, const [UBlendProfile](API\Runtime\Engine\Animation\UBlendProfile) * BlendProfile )